W21AL9-8-20

View detailed technical data, stock status, and sourcing information for: W21AL9-8-20
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-660-3181

Item Name Code

13393

Assigment Date

01/01/1963 (63 years ago)

round peripheral shape style, rectangular cross-sectional shape style, 0.020 inches nominal thickness, 0.140 inches nominal hole diameter, round center hole shape style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Cross-Sectional Shape Style: rectangular
Hole Diameter: 0.140 inches nominal
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.020 inches nominal
Overall Diameter: 0.250 inches nominal
Material: aluminum alloy 2024 overall
Material Document And Classification: qq-a-362 fed spec single material response overall
Specification/Standard Data: 43999-2w1 manufacturers standard

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
2W1AL9-8-20	Flat Washer
W21AL9-8-20	Flat Washer

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-00-660-3181?

The FSCG of the NSN 5310-00-660-3181 is 5310

Does the NSN 5310-00-660-3181 have a Schedule B code assigned?

Yes, the Schedule B code is 7616108000

Does NSN 5310-00-660-3181 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5310-00-660-3181 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-660-3181 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5310-00-660-3181 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963